From: Peter Zijlstra <peterz@infradead.org>
To: Khalid Ali <khaliidcaliy@gmail.com>
Cc: bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com,
lenb@kernel.org, linux-acpi@vger.kernel.org,
linux-kernel@vger.kernel.org, mingo@redhat.com,
rafael@kernel.org, tglx@linutronix.de, x86@kernel.org
Subject: Re: [PATCH] x86/ACPI: invalidate all cache lines on ACPI C-state transitions
Date: Mon, 26 May 2025 18:07:53 +0200 [thread overview]
Message-ID: <20250526160753.GS39944@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <20250526134600.619-1-khaliidcaliy@gmail.com>
On Mon, May 26, 2025 at 01:45:33PM +0000, Khalid Ali wrote:
> > This is absolutely insane. This day and age, nobody should use WBINVD
> > ever. We've managed to not do this for decades, and I'm thinking that
> > either the SPEC is 'mistaken' or otherwise out of line with reality.
>
> > If you hate performance, and you want to break things like CAT, feel
> > free to put this in your own kernel.
> Sorry, i made a mistake, i meant ACPI 6.4 and 6.5. I already resent this patch
> please check the resended one.
Doesn't matter. We're categorically not going to be doing this. Rafael,
who do we kick to get the ACPI SPEC fixed?
next prev parent reply other threads:[~2025-05-26 16:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-25 18:00 [PATCH] x86/ACPI: invalidate all cache lines on ACPI C-state transitions Khalid Ali
2025-05-26 12:00 ` Peter Zijlstra
2025-05-26 13:45 ` Khalid Ali
2025-05-26 16:07 ` Peter Zijlstra [this message]
2025-05-26 17:04 ` Khalid Ali
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20250526160753.GS39944@noisy.programming.kicks-ass.net \
--to=peterz@infradead.org \
--cc=bp@alien8.de \
--cc=dave.hansen@linux.intel.com \
--cc=hpa@zytor.com \
--cc=khaliidcaliy@gmail.com \
--cc=lenb@kernel.org \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=rafael@kernel.org \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.